WO2003071918A1 - Process of manufacture of spikey rubber boot/shoe scraper - Google Patents

Process of manufacture of spikey rubber boot/shoe scraper Download PDF

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Publication number
WO2003071918A1
WO2003071918A1 PCT/IB2002/000737 IB0200737W WO03071918A1 WO 2003071918 A1 WO2003071918 A1 WO 2003071918A1 IB 0200737 W IB0200737 W IB 0200737W WO 03071918 A1 WO03071918 A1 WO 03071918A1
Authority
WO
WIPO (PCT)
Prior art keywords
boot
base
shoe
moulded
wiper
Prior art date
Application number
PCT/IB2002/000737
Other languages
French (fr)
Inventor
Hilarian Chrishan Salinda Mendis
Original Assignee
Mendis Hilarian Chrishan Salin
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mendis Hilarian Chrishan Salin filed Critical Mendis Hilarian Chrishan Salin
Priority to AU2002236158A priority Critical patent/AU2002236158A1/en
Publication of WO2003071918A1 publication Critical patent/WO2003071918A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • A47L23/24—Rigid cleaning-gratings; Tread plates or scrapers for cleaning the soles of footwear
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L23/00—Cleaning footwear
    • A47L23/22—Devices or implements resting on the floor for removing mud, dirt, or dust from footwear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/30—Brushes for cleaning or polishing
    • A46B2200/306—Shoe cleaning or polishing brush
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/60—Releasing, lubricating or separating agents
    • B29C33/62—Releasing, lubricating or separating agents based on polymers or oligomers
    • B29C33/64—Silicone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/50—Footwear, e.g. shoes or parts thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the invention relates to a novel washable Boot/shoe wiper made with rubber/synthetic rubber either as a mono block or by joining/assembling mainly rubber and brush block/coir fibre components designed with spikes protruding in a manner to touch the sides and the bottom of the boot/shoe when the legs are placed on a rubber base having the functions of a floor mat to clean the bottom parts of the boot/shoe.
  • the alleged boot/shoe wiper is also designed to remain dry most of the time by the introduction of water draining system made with holes crevices and cavities in the said components and the base. This is quite useful in snow falling areas as the boot/shoe wipers generally get clogged with melting snow/ice.
  • the introduction of spikes in all directions makes it an efficient boot/shoe wiper and the spikes could be so arranged in size and shape to introduce various shapes and designs on theses area of spikes to enhance the cosmetic effect.
  • the conventional floor mats, boot/shoe wipers are not very efficient and durable as most of them can only clean and wipe only the bottom part of the shoe or boot.
  • the conventional boot/shoe wipers are generally made with fibre, timber and plastic components having a base with a tight configuration on a flat surface, thereby preventing drying by rapid evaporation of any moisture acquired with dirt during rains and snow. These components get loose from their bonding with each other with passage of time. Moreover when the whole wiper is made out of coconut fibre and timber products these products deteriorate quickly due the retention of moisture and there may be instances of formation of bacterial fungi growth, which is not desirable.
  • boot wipers of the prior art have distinct disadvantages due to the frequent presence of moisture and the non availability of an efficient water draining system for quick drying.
  • the alleged invention overcomes most of the disadvantages mentioned above by eliminating most of the fibre and metal parts altogether.
  • the alleged invention introduces a solid washable rubber moulded boot/shoe wiper having three upstanding portions with spikes to wipe the sides of the shoe/boot and also the bottom when feet are placed on the bottom base platform.
  • the alleged novel boot/shoe wiper is basically a moulded product using rubber compound having strong spikes on most of the surfaces to clean and wipe the sides and the bottom part of the boot/shoe.
  • this can be moulded/assembled/inserted with a combination of rubber and other components such as coir fibre rods and coir mat pieces and or brush blocks horizontally or vertically on the base and upstanding portions.
  • the boot/shoe wiper can also be made by placing a spiked rubber mat on a wooden or plastic base to obtain the necessary contours as in the case of the moulded product with three upstanding portions having spikes in all directions.
  • the three upstanding portions can be replaced/moulded/assembled with twisted coir/synthetic fibre rods and/or the base can be filled with a honeycomb/ringo design rubber mat base or even with brush blocks or woven coir mat piece.
  • a two-piece compression mould with cavities of the desired design is made out of mild steel with allowable and permissible shrinkage allowances and this makes it possible to compress rubber compound and obtain this product.
  • the mould is used to compress and partially vulcanize the pre masticated and sulphur mixed compound in a heated state.
  • the mould is designed to heat both the cavities with either by steam or electrical energy.
  • the rubber is masticated to obtain a hot compound in an open mill or an internal mixer, which is usually known as the Banbury machine. Then the hot rubber compound is mixed with sulphur in an open mill to obtain a thin layer of a sheet of rubber still in the plastic state. This compound is allowed to cool for a few hours before passing through sheeting two roll mill or calendar rollers to obtain a uniform thickness rubber sheet with desired thick gauge.
  • this rubber compound sheets are cut to form blanks and are used in the two- piece compression mould with the required pattern and shape to obtain the Boot/shoe wiper.
  • the boot /shoe wiper is made as follows:
  • the rubber compound is prepared by masticating and chemical addition on Internal mixers or open Roll friction speed rubber mills.
  • Blank sheets with even thickness are rolled out using a batch off unit or two roll sheeting mills with even speed rollers.
  • the rubber sheets taken out of the sheeting mills are cut with heated knives to suit the size of the compression two-piece mould. These cut pieces of sheet are called the blanks.
  • the hydraulic press is operated to close the upper and bottom platens fitted with the two pieces of the mould exerting an extremely large force on the two piece compression mould containing the rubber compound.
  • the mould is also heated with the heat transfer from the platens of the press machine.
  • the pressure on the mould with rubber compound is exerted well over 160 bar pressure for about 20 minutes allowing the heated rubber compound to flow and fill the cavities of the mould and then cure and get vulcanized. After this cycle time for curing the rubber in the mould, the pressure is released and the platens are allowed to open and the two bottom and upper mould pieces separate leaving the product, boot/shoe wiper in the bottom cavity enabling easy ejection out of the mould. Then the product is allowed to cool before hand trimming the flashes of the rubber compound that has overflowed.
  • the Fig 1 on the drawing page 1 shows a plan view of the alleged novel boot/shoe wiper.
  • the Fig 2 on the drawing page 2 shows a perspective view of the said boot/shoe wiper.
  • the Fig 3 on the drawing page 3 shows an embodiment of the water-draining design system and a design on the base.
  • the fig 4 on the drawing page 4 shows the various designs that may be incorporated on sides of the base.
  • the three linear upstanding portions are marked and the spikes protruding from the three linear upstanding portions are clearly shown in these drawings.
  • these upstanding portions are about 70 mm above the platform flat surface.
  • the thickness of the base platform area is around 35 mm and may be hollow on the bottom side with spaced ribs/grooves to contact the floor surface. This enables easy draining of water.
  • the base platform may have spikes facing vertically upwards for efficient cleaning of the bottom surfaces of the boot/shoe.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A washable boot/shoe wiper with a water draining system moulded completely or partially with vulcanized rubber comprising a shaped base area with spikes to stand on with both feet characterized by three linear upstanding portions in the lengthwise direction of the feed and two of which are at the extreme left and right end of the said base and the other at the center dividing the said base area symmetrically in to two equal areas to accommodate the two feed with boots/shoes and the said three linear upstanding portions consisting of spikes in all directions perpendicular to the surface area of all three portions to clean the sides of the said boot/shoe placed on these platform sections. This also can be moulded/assembled/inserted with a combination of rubber and other components such as coir fibre rods, coir mats and or brush blocks horizontally or vertically on the base and upstanding portions. The boot/shoe wiper can also be made by placing a spiked rubber mat on a wooden or plastic base to obtain the necessary contours as in the case of the moulded product with three upstanding portions having spikes in all directions. In another embodiment the three upstanding portions can be replaced/moulded/assembled with coir/synthetic fibre rods and/or the base can be filled with a honeycomb/ringo design rubber mat base or coir mats.

Description

BOOT OR SHOE SCRAPER AND ANUFACTURING PROCESS
SUMMARY OF THE INVENTION
The invention relates to a novel washable Boot/shoe wiper made with rubber/synthetic rubber either as a mono block or by joining/assembling mainly rubber and brush block/coir fibre components designed with spikes protruding in a manner to touch the sides and the bottom of the boot/shoe when the legs are placed on a rubber base having the functions of a floor mat to clean the bottom parts of the boot/shoe.
The alleged boot/shoe wiper is also designed to remain dry most of the time by the introduction of water draining system made with holes crevices and cavities in the said components and the base. This is quite useful in snow falling areas as the boot/shoe wipers generally get clogged with melting snow/ice. The introduction of spikes in all directions makes it an efficient boot/shoe wiper and the spikes could be so arranged in size and shape to introduce various shapes and designs on theses area of spikes to enhance the cosmetic effect.
The applicant is the holder of the Patent No. 10786 dated 07.04.1995 for a boot/shoe wiper made with twisted in brush coconut fibre rods on a galvanized iron wire frame. PRIOR ART
The conventional floor mats, boot/shoe wipers are not very efficient and durable as most of them can only clean and wipe only the bottom part of the shoe or boot.
Most boots/shoes require cleaning the sides as well, specially in cold climates where snow is present and in monsoon rain areas where most parts get muddy. Therefore it was necessary to introduce a boot/shoe wiper that will efficiently clean simultaneously the sides of the boot/shoe when a user wipes the bottom part of the boot/shoe and also dries off quickly by draining the water/snow/ice.
Conventional boot/shoe wipers are manufactured with fibre, timber and metal for use at the entrances, exits, doorways and opening of all types of buildings and the designs and techniques used so far, serve the purpose, only partly, creating certain disadvantages.
For example dirt, mud and other substances such as snow/ice are not completely removed from boots/shoes as the wiped dirt accumulates on brush fibres when the brush fibres are placed close to each other and fixed on a horizontal plain generally parallel to the floor on which the boot/shoe wiper is placed. As a result of this accumulation it is necessary to periodically clean these type of wipers by lifting shaking and vibrating. These vigorous actions are not only tedious but drastically reduce the lifetime of the wiper.
The conventional boot/shoe wipers are generally made with fibre, timber and plastic components having a base with a tight configuration on a flat surface, thereby preventing drying by rapid evaporation of any moisture acquired with dirt during rains and snow. These components get loose from their bonding with each other with passage of time. Moreover when the whole wiper is made out of coconut fibre and timber products these products deteriorate quickly due the retention of moisture and there may be instances of formation of bacterial fungi growth, which is not desirable.
Thus, boot wipers of the prior art have distinct disadvantages due to the frequent presence of moisture and the non availability of an efficient water draining system for quick drying.
DESCRIPTION
The alleged invention overcomes most of the disadvantages mentioned above by eliminating most of the fibre and metal parts altogether. The alleged invention introduces a solid washable rubber moulded boot/shoe wiper having three upstanding portions with spikes to wipe the sides of the shoe/boot and also the bottom when feet are placed on the bottom base platform.
The alleged novel boot/shoe wiper is basically a moulded product using rubber compound having strong spikes on most of the surfaces to clean and wipe the sides and the bottom part of the boot/shoe. Alternatively this can be moulded/assembled/inserted with a combination of rubber and other components such as coir fibre rods and coir mat pieces and or brush blocks horizontally or vertically on the base and upstanding portions. The boot/shoe wiper can also be made by placing a spiked rubber mat on a wooden or plastic base to obtain the necessary contours as in the case of the moulded product with three upstanding portions having spikes in all directions. In another embodiment the three upstanding portions can be replaced/moulded/assembled with twisted coir/synthetic fibre rods and/or the base can be filled with a honeycomb/ringo design rubber mat base or even with brush blocks or woven coir mat piece.
There is a distinct advantage with the alleged rubber moulded boot/shoe wiper as it is a 100% recyclable and washable product with water draining system and thereby making it very easy to clean and maintain. This rubber boot/shoe wiper is designed to drain the water/ice/snow that comes in to contact with it by providing drain holes crevices and cavities. Since this feature drains all the water instantly it is possible to keep this boot/shoe wiper in dry condition most of the time. The base of the boot/shoe wiper may have spikes on the outer side to facilitate cleaning of the ridge of the shoe/boot. Also the sides may be made with various designs to enhance the cosmetic effect.
Forming a substantially rectangular solid rubber flat surface base platform with three linear upstanding portions lengthwise having water draining holes, crevices as shown in the fig 3 in the drawing sheets. A two-piece compression mould with cavities of the desired design is made out of mild steel with allowable and permissible shrinkage allowances and this makes it possible to compress rubber compound and obtain this product. The mould is used to compress and partially vulcanize the pre masticated and sulphur mixed compound in a heated state. The mould is designed to heat both the cavities with either by steam or electrical energy.
The rubber is masticated to obtain a hot compound in an open mill or an internal mixer, which is usually known as the Banbury machine. Then the hot rubber compound is mixed with sulphur in an open mill to obtain a thin layer of a sheet of rubber still in the plastic state. This compound is allowed to cool for a few hours before passing through sheeting two roll mill or calendar rollers to obtain a uniform thickness rubber sheet with desired thick gauge.
Then this rubber compound sheets are cut to form blanks and are used in the two- piece compression mould with the required pattern and shape to obtain the Boot/shoe wiper.
Preferred Embodiment
The following preferred embodiment does not limit the scope of the claims of this invention and is explained as an example as one of the possible embodiments.
The boot /shoe wiper is made as follows:
The rubber compound is prepared by masticating and chemical addition on Internal mixers or open Roll friction speed rubber mills.
Blank sheets with even thickness are rolled out using a batch off unit or two roll sheeting mills with even speed rollers.
The rubber sheets taken out of the sheeting mills are cut with heated knives to suit the size of the compression two-piece mould. These cut pieces of sheet are called the blanks.
These blanks are placed in the cavity of the bottom part of the mould after spraying silicone emulsion on the surface of this cavity. This piece of the mould is fitted to a bottom platen of the heated hydraulic press. The upper part of the two-piece mould with the cavity is fitted on the upper platen of the said press machine.
The hydraulic press is operated to close the upper and bottom platens fitted with the two pieces of the mould exerting an extremely large force on the two piece compression mould containing the rubber compound. The mould is also heated with the heat transfer from the platens of the press machine.
The pressure on the mould with rubber compound is exerted well over 160 bar pressure for about 20 minutes allowing the heated rubber compound to flow and fill the cavities of the mould and then cure and get vulcanized. After this cycle time for curing the rubber in the mould, the pressure is released and the platens are allowed to open and the two bottom and upper mould pieces separate leaving the product, boot/shoe wiper in the bottom cavity enabling easy ejection out of the mould. Then the product is allowed to cool before hand trimming the flashes of the rubber compound that has overflowed.
DESCRIPTION OF THE DRAWING
This description of the drawings or the drawings enclosed does not limit the scope of the claims and is shown here as one of the many possible examples.
The Fig 1 on the drawing page 1 shows a plan view of the alleged novel boot/shoe wiper.
The Fig 2 on the drawing page 2 shows a perspective view of the said boot/shoe wiper.
The Fig 3 on the drawing page 3 shows an embodiment of the water-draining design system and a design on the base.
The fig 4 on the drawing page 4 shows the various designs that may be incorporated on sides of the base. The three linear upstanding portions are marked and the spikes protruding from the three linear upstanding portions are clearly shown in these drawings.
As shown clearly on these drawings these upstanding portions are about 70 mm above the platform flat surface. The thickness of the base platform area is around 35 mm and may be hollow on the bottom side with spaced ribs/grooves to contact the floor surface. This enables easy draining of water. The base platform may have spikes facing vertically upwards for efficient cleaning of the bottom surfaces of the boot/shoe.

Claims

Claims:
1. A washable boot/shoe wiper with a water draining system moulded with vulcanized rubber comprising a shaped base area with spikes to stand on with both feet characterized by three linear upstanding portions in the lengthwise direction of the feet, two of which are at the extreme left and right end of the said base and the other at the center dividing the said base area symmetrically in to two equal surface areas to accommodate the two feet with boots/shoes and the said three linear upstanding portions consisting of spikes in all directions perpendicular to the surface area of all three portions to clean the sides of the said boot/shoe placed on these two base surface areas.
2. A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 1 where it is designed with a water draining system having holes, crevices and cavities to drain out any water/snow/ice coming into contact when in use or while cleaning and washing.
3. A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 2 where the base may be hollow from the bottom having spaced ribs to place the said base uniformly and steadily on the ground.
4. A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 3 when the base surface area has different shapes such as a foot, shoe, animal or any other design or mark to suit the place of use.
A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 4 where the product is other than black or a combination of colours.
A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 5 where it is made out of synthetic rubber.
A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 6 where the spike profile may be cylindrical, conical or star shape and the size of spikes may vary in diameter and height.
A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 7 where spikes are incorporated on all outer sides or selected sides of the base.
A boot/shoe wiper moulded with vulcanized rubber as claimed in claim 8 where the base consists of spikes with different colours and sizes depicting a design/pattern of a shoe, foot, diamond, circular, square, triangular, hexagonal, diagonal, herringbone, cris cross, zig-zag, oval, elliptical, animal shapes, fruits, trees, plain designs or a combination of these shapes.
A boot/shoe wiper made with vulcanized rubber as claimed in claim 9 where some parts/components of the wiper consist of coir/synthetic fibre rods or coir mat pieces placed and moulded into designs/patterns.
A boot/shoe wiper made with vulcanized rubber as claimed in claim 10 where some parts/components of the mat consist of brush blocks horizontally and vertically on the base and upstanding portions.
A boot/shoe wiper made with vulcanized rubber as claimed in claim 11 where brush blocks /coir mats can be combined/inserted/assembled at the base or in the upstanding portions.
A boot/shoe wiper made with vulcanized rubber as claimed in claim 12 where the three upstanding portions can be replaced/moulded/assembled with coir/synthetic fibre rods.
A boot/shoe wiper made with vulcanized rubber as claimed in claim 13 where the base can be filled with a honeycomb/ringo design rubber mat base. A boot/shoe wiper made with vulcanized rubber as claimed in claim 14 where a spiked mat is placed on a wooden/plastic base to obtain the contours of the three upstanding portions and the base of the boot/shoe wiper.
A method of making A boot/shoe wiper as claimed in above claims with vulcanized rubber using batch prepared milled rubber compound in sheet form filled to a heated two piece compression mould after spraying silicone emulsion solution to the mould cavities taking the shape of the boot/shoe wiper and pressing and curing the said compound for a period of time and opening the cavities of the said mould and ejecting the said boot/shoe wiper.
PCT/IB2002/000737 2002-02-28 2002-03-07 Process of manufacture of spikey rubber boot/shoe scraper WO2003071918A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002236158A AU2002236158A1 (en) 2002-02-28 2002-03-07 Process of manufacture of spikey rubber boot/shoe scraper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
LK12690 2002-02-28
LK1269002 2002-02-28

Publications (1)

Publication Number Publication Date
WO2003071918A1 true WO2003071918A1 (en) 2003-09-04

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103829562A (en) * 2012-11-22 2014-06-04 苏州启山电器技术开发事务所(普通合伙) Hairbrush used for cleaning uppers on outer sides of shoes
CN104545766A (en) * 2014-12-31 2015-04-29 董正洪 Sole cleaning machine
US20170143186A1 (en) * 2015-11-20 2017-05-25 Dawn Vasquez Shoe cleaning assembly
CN111870207A (en) * 2020-07-31 2020-11-03 四川鞋唰唰科技有限公司 Shoe washing device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301125A (en) * 1940-08-03 1942-11-03 Wingfoot Corp Apparatus for vulcanizing floor mats
US3253932A (en) * 1963-03-25 1966-05-31 Ethyl Corp Mold release agent
US3487134A (en) * 1964-03-26 1969-12-30 Goodyear Tire & Rubber Method for manufacturing a textured surfaced composite foamed article and the mold therefor
DE9107948U1 (en) * 1991-06-25 1991-11-07 Heinz, Michael, 6301 Pohlheim Device for cleaning footwear (shoe cleaner, shoe dirt scraper)
DE4119986A1 (en) * 1991-06-18 1992-12-24 Fusion Kunststoff Gmbh Portable shoe scraper - with support and connections has supports and connections and hollow main body with lid with grooves in top to match connections and legs with rubber covered feet
EP0770465A1 (en) * 1995-02-20 1997-05-02 Miguel Zubigaray Irazabal Process and machine for the fabrication of decorated vulcanized and polychrome mats, and mats thus obtained
US6221298B1 (en) * 1998-11-17 2001-04-24 International Specialty Products, Llc Method and apparatus for manufacturing molded products

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2301125A (en) * 1940-08-03 1942-11-03 Wingfoot Corp Apparatus for vulcanizing floor mats
US3253932A (en) * 1963-03-25 1966-05-31 Ethyl Corp Mold release agent
US3487134A (en) * 1964-03-26 1969-12-30 Goodyear Tire & Rubber Method for manufacturing a textured surfaced composite foamed article and the mold therefor
DE4119986A1 (en) * 1991-06-18 1992-12-24 Fusion Kunststoff Gmbh Portable shoe scraper - with support and connections has supports and connections and hollow main body with lid with grooves in top to match connections and legs with rubber covered feet
DE9107948U1 (en) * 1991-06-25 1991-11-07 Heinz, Michael, 6301 Pohlheim Device for cleaning footwear (shoe cleaner, shoe dirt scraper)
EP0770465A1 (en) * 1995-02-20 1997-05-02 Miguel Zubigaray Irazabal Process and machine for the fabrication of decorated vulcanized and polychrome mats, and mats thus obtained
US6221298B1 (en) * 1998-11-17 2001-04-24 International Specialty Products, Llc Method and apparatus for manufacturing molded products

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103829562A (en) * 2012-11-22 2014-06-04 苏州启山电器技术开发事务所(普通合伙) Hairbrush used for cleaning uppers on outer sides of shoes
CN104545766A (en) * 2014-12-31 2015-04-29 董正洪 Sole cleaning machine
US20170143186A1 (en) * 2015-11-20 2017-05-25 Dawn Vasquez Shoe cleaning assembly
CN111870207A (en) * 2020-07-31 2020-11-03 四川鞋唰唰科技有限公司 Shoe washing device

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